diff options
| -rw-r--r-- | src/fw/pciinit.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/fw/pciinit.c b/src/fw/pciinit.c index 56c1f44..1151133 100644 --- a/src/fw/pciinit.c +++ b/src/fw/pciinit.c @@ -593,11 +593,14 @@ static unsigned long add_lmmio_directed_range(unsigned long size, int rope) addr = 0xfa000000; /* graphics card area for parisc, f8 is used by artist */ addr += i * 0x02000000; - writel(reg + LMMIO_DIRECT0_BASE, addr | 1); + /* clear bit 0 of address to disable LMMIO while we modify things */ + writel(reg + LMMIO_DIRECT0_BASE, addr & ~1ULL); writel(reg + LMMIO_DIRECT0_ROUTE, rope & (ROPES_PER_IOC - 1)); size = 0xfff8000000 | ~(size-1); /* is -1 correct? */ // dprintf(1, "use addr %lx size %lx\n", addr|1, size); writel(reg + LMMIO_DIRECT0_MASK, size); + /* finally turn on the modified LMMIO region */ + writel(reg + LMMIO_DIRECT0_BASE, addr | 1); return addr; } #endif /* CONFIG_PARISC */ |